Update dependencies in Makefile.in.

Update dependencies in Makefile.in.

(alloc.o): Depend on termhooks.h.
(atimer.o): Depend on blockinput.h.
(buffer.o): Depend on indent.h, keyboard.h, coding.h, keymap.h, and frame.h.
(callint.o): Depend on systime.h, coding.h, and composite.h.
(callproc.o): Depend on buffer.h.
(casefiddle.o): Don't depend on charset.h.
(casetab.o): Depend on character.h.
(ccl.o): Depend on composite.h.
(chartab.o): Depend on ccl.h.
(cm.o): Depend on dispextern.h.
(cmds.o): Depend on systime.h, coding.h, frame.h, and composite.h.
(coding.o): Don't depend on $(INTERVALS_H).
(composite.o): Don't depend on dispextern.h explicitly (it's in
$(INTERVALS_H)).  Depend on ccl.h.
(data.o): Depend on systime.h, coding.h, composite.h, dispextern.h, font.h,
and ccl.h.
(dired.o): Depend on composite.h.
(dispnew.o): Depend on coding.h.  Don't depend explicitly on
composite.h (it's in $(INTERVALS_H)).
(doc.o): Depend on systime.h, coding.h, and composite.h.
(editfns.o): Don't depend explicitly on dispextern.h.
(emacs.o): Depend on frame.h and coding.h.
(eval.o): Depend on coding.h, composite.h, and xterm.h.
(fileio.o): Depend on frame.h and commands.h.  Don't depend
explicitly on dispextern.h.
(filelock.o): Don't depend on epaths.h and charset.h.  Depend on composite.h.
(fns.o): Don't depend on termhooks.h.
(font.o): Depend on buffer.h, composite.h, fontset.h, and xterm.h.
(fontset.o): Depend on blockinput.h, atimer.h, systime.h, coding.h,
$(INTERVALS_H), window.h, xterm.h.
(frame.o): Depend on coding.h, composite.h, termhooks.h, and ccl.h.
(fringe.o): Depend on blockinput.h, atimer.h, and systime.h.
(ftfont.o): Depend on blockinput.h, atimer.h, systime.h, coding.h,
fontset.h, ccl.h, and ftfont.h.
(ftxfont.o): Depend on atimer.h, systime.h, fontset.h, and ccl.h.
(gtkutil.o): Depend on dispextern.h and composite.h.
(image.o): Depend on epaths.h, character.h, coding.h, composite.h,
termhooks.h, and ccl.h.
(indent.o): Depend on systime.h, coding.h, and $(INTERVALS_H).
(intervals.o): Depend on systime.h and coding.h.
(keyboard.o): Depend on composite.h and coding.h.
(keymap.o): Depend on coding.h and frame.h.
(lread.o): Depend on systime.h, frame.h, blockinput.h, and atimer.h.
(macros.o): Depend on systime.h, coding.h, and composite.h.
(menu.o): Depend on systime.h, coding.h, composite.h, window.h, and atimer.h.
(minibuf.o): Depend on systime.h and coding.h.  Don't depend on
dispextern.h explicitly.
(print.o): Depend on termhooks.h, coding.h, and ccl.h.  Don't
depend explicitly on dispextern.h and composite.h.
(process.o): Depend on character.h, xgselect.h, and sysselect.h.
(regex.o): Don't depend on charset.h.
(scroll.o): Depend on systime.h, coding.h, composite.h, and window.h.
(search.o): Don't depend explicitly on composite.h.
(sound.o): Depend on atimer.h and systime.h.
(syntax.o): Don't depend explicitly on composite.h.
(sysdep.o): Depend on coding.h and composite.h.
(term.o): Depend on xterm.h and buffer.h.
(terminal.o): Depend on dispextern.h, composite.h, and systime.h.
(textprop.o): Don't depend on dispextern.h explicitly.
(undo.o): Depend on dispextern.h.
(window.o): Depend on coding.h and termhooks.h.  Don't depend on
dispextern.h and composite.h explicitly.
(xdisp.o): Depend on ccl.h.
(xfaces.o): Depend on coding.h and ccl.h.
(xfns.o): Depend on $(INTERVALS_H) and ccl.h.
(xfont.o): Depend on atimer.h, systime.h, fontset.h, and ccl.h.
(xftfont.o): Depend on atimer.h, systime.h, fontset.h, ccl.h, and ftfont.h.
(xgselect.o): New dependency.
(xmenu.o): Depend on composite.h, keymap.h, and sysselect.h.
(xselect.o): Depend on keyboard.h, coding.h, and composite.h.
(xsettings.o): Depend on dispextern.h, keyboard.h, systime.h,
coding.h, composite.h, blockinput.h, atimer.h, and termopts.h.
(xsmfns.o): Depend on frame.h and dispextern.h.
(xterm.o): Depend on intervals.h, keymap.h, xgselect.h, and sysselect.h.